A manager is trying to improve a single-server queueing system through automation. The average service time is 20 minutes per customer, exponentially distributed, and the arrival rate is 16 customers per 8-hour day (Poisson arrivals)
The automated system will have a constant service time of 16 minutes. The effect of this change will:
A) decrease utilization.
B) increase waiting time.
C) decrease waiting time.
D) have no effect since the service time is unchanged.
Answer: C
Business
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